Home / 36,380.93-54,573.71-11,421.95

Finding the Fourth Proportional to 36,380.93, 54,573.71 and 11,421.95

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Solution

The fourth proportional to 36,380.93, 54,573.71 and 11,421.95 is: 17,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380.93 : 54,573.71 = 11,421.95 : x
  2. Step 2: Convert to fraction form
    36,380.93/54,573.71 = 11,421.95/x
  3. Step 3: Cross multiply
    36,380.93x = 54,573.71 × 11,421.95
  4. Step 4: Simplify right side
    36,380.93x = 623,337,856.96
  5. Step 5: Solve for x
    x = 623,337,856.96/36,380.93
  6. Step 6: Final answer
    x = 17,133.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.